Vol. XLI. 
Roy. Soc. Edin. 
an 
ieee oe eGh RUM OF NOVA PERSE]. — pPuare 11. 
BECKER 
1901 March 3. 
Plate |, 
Intensity Curve, 1901, March 8 — continued. 
Daas 
a 
: 
1 
0 
ie eae a pr ae anemia aed ae alin eats Arian etna i v Tie ee Vs te ith We gl ala ee i 1 eel 
4900 5000 5100 5600 5700 
1901 March3. A outside [| | | ia | ] 
1901 March 3. B range | | | | | | | il 
1901 March 18 &20.B 
1901 March 25. B 
1901 August to October. 
1901 November. 
1902 January . 
1902 October and November. 
Planetary Nebule. 
3800 3900 4000 4100 4200 4300 4400 4500 4600 A700 4800 4900 5000 5100 5200 5300 5400 5500 5600 5700 
B 
12 
1 
10 
a 9 
eta 
Structure €[71 
Bre t3 
4 +8 
fe 
of =t3t7 
2 +6 
ates 
B an ds c ola 
I 3 
(reduced to wave-length 4500) : . 
0 TL. 1901 August te 1902 January. 
TL ¥ 
